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powerpc: Put exception configuration in a common place

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The various calls to establish exception endianness and AIL are
now done from a single point using already established CPU and FW
feature bits to decide what to do.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Benjamin Herrenschmidt
2016-07-05 15:03:49 +10:00
committed by Michael Ellerman
parent 3808a88985
commit d3cbff1b5a
8 changed files with 108 additions and 103 deletions
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13
arch/powerpc/platforms/powernv/opal.c
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@ -57,7 +57,7 @@ static struct atomic_notifier_head opal_msg_notifier_head[OPAL_MSG_TYPE_MAX];
static uint32_t opal_heartbeat;
static struct task_struct *kopald_tsk;
static void opal_reinit_cores(void)
void opal_configure_cores(void)
{
/* Do the actual re-init, This will clobber all FPRs, VRs, etc...
*
@ -70,6 +70,10 @@ static void opal_reinit_cores(void)
#else
opal_reinit_cpus(OPAL_REINIT_CPUS_HILE_LE);
#endif
/* Restore some bits */
if (cur_cpu_spec->cpu_restore)
cur_cpu_spec->cpu_restore();
}
int __init early_init_dt_scan_opal(unsigned long node,
@ -106,13 +110,6 @@ int __init early_init_dt_scan_opal(unsigned long node,
panic("OPAL != V3 detected, no longer supported.\n");
}
/* Reinit all cores with the right endian */
opal_reinit_cores();
/* Restore some bits */
if (cur_cpu_spec->cpu_restore)
cur_cpu_spec->cpu_restore();
return 1;
}